TEQ definition

TEQ means toxicity equivalence, the international method of relating the toxicity of various dioxin/furan congeners to the toxicity of 2,3,7,8-tetrachlorodibenzo-p-dioxin.

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TEQ. ’ means Toxic Equivalent, being the sum total of the concentrations of each of the dioxin and furan compounds specified in the first column of the table below multiplied by their corresponding TEF specified in the second column thereof:

TEQ means toxicity equivalence, the international method described in 40 CFR 266, Appendix IX, section 4.0, of relating the toxicity of various dioxin/furan congeners to the toxicity of 2,3,7,8-tetrachlorodibenzo-p dioxin.

Examples of TEQ in a sentence

Residential use, dioxin and furan concentrations in surface soil (0 to 1 inch and/or 0 to 8 inches for garden areas) above 1,000 ppt TEQ.
This IRA bases the need for interim response activities to mitigate exposure on an ATSDR action level described as “a concentration of dioxin in soil at which various actions may be considered to prevent or limit exposure.” That ATSDR action level is 1,000 ppt TEQ.
Priority 1 Property presumed or determined to be impacted over 1,000 ppt TEQ proximate to a residence.
Several of the mitigation options cited in Table 1 above are further explained as follows: ▪ House cleaning would be performed for residential properties where surface soils are presumed or were found to have dioxins and furans at concentrations greater than the ATSDR action level of 1,000 ppt TEQ in areas immediately adjacent to the house or other areas and conditions likely to result in transport of contaminants into the house.
Task 2.4 is intended for areas where potential acute or near-term contaminant transport risks may clearly occur in OU 1 based on currently available TEQ data, erosional risk, and other information.

More Definitions of TEQ

TEQ means the international method of expressing toxicity equivalents for dioxins and furans as defined in Interim Procedures for Estimating Risks Associated with Exposures to

TEQ means the international method of expressing toxicity equivalents for dioxins and furans as defined in U.S. EPA Interim Procedures for Estimating Risks Associated with Exposures to Mixtures of Chlorinated Dibenzo-p-dioxins and dibensofurans (CDDs and CDFs) an 1989 Update, March 1989;

TEQ means the international method of expressing toxicity equivalents for dioxins and furans as defined in Interim Procedures for Estimating Risks Associated with Exposures to Mixtures of Chlorinated Dibenzo-p-Dioxins and -Dibenzofurans (CDDs and CDFs) and 1989 Update (EPA-625/3-89- 016), incorporated by reference in s. NR 484.05(12).

TEQ s Consent" means prior written consent of TEQ which may be given subject to such terms and conditions as TEQ may see fit to impose; and

TEQ means toxicity equivalence, the international method of relating the toxicity of various dioxin/furan congeners to the toxicity of 2,3,7,8-tetrachlorodibenzo-p-dioxin. U.S. EPA (Environmental Protection Agency), 2010, Recommended Toxicity Equivalence Factors (TEFs) for Human Health Risk Assessments of 2,3,7,8-Tetrachlorodibenzo-p-dioxin and Dioxin-Like Compounds. Risk Assessment Forum, Washington, DC. EPA/600/R-10/005. Incorporated by reference in 370.1(e)(8)(viii).

TEQ means toxic equivalency.

TEQ means a 2,3,7,8-tetrachlorodibenzodioxin toxic equivalent, according to the toxic equivalency fac- tors for polychlorinated dibenzodioxins and polychlo- rinated dibenzofurans congeners and isomers set out in the Regulation respecting pulp and paper mills (chapter Q-2, r. 27) [WHO, 1998]; (EQT)